<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
</head>
<body>
<p>我是验证中心！请出示您的身份！</p>

<form action="/index.php?c=author&a=author&param=<?php echo $app;?>" method="post">
    <input name="username" type="text" placeholder="username">
    <input name="password" type="password" placeholder="passqord">
    <input type="submit" value="登录">
</form>
</body>
</html>